PEAKThe maximum radiation levels detected since last cleared.Press the SET button twice to clear the PEAK values.If you press SET once but do not want to clearthe readings, press MODE to return to the PEAKreadings. The PEAK values are also cleared when thedetector is turned off.Press the MODE button to step to the next function.MINThe minimum radiation levels detected since last cleared.Press the SET button twice to clear the MIN values.If you press SET once but do not want to clear thereadings, press MODE to return to the MIN readings.The MIN values are also cleared when the detector isturned off.